Vertical rotary drum assembly structure for vacuum coating apparatus

Abstract

The present application relates to the technical field of coating equipment, and particularly relates to a vertical rotary drum assembly structure for a vacuum coating equipment, wherein the rotary drum has a rotating shaft, the rotating shaft is connected with a rotary driving mechanism, the rotary driving mechanism drives the rotating shaft to drive the rotary drum to rotate on the rotating frame, and the rotating shaft is detachably connected on the rotating frame. The present application has the advantages of ensuring the stability and safety of the rotary drum during rotation, facilitating the frequent taking and placing of the rotary drum, facilitating the implementation of automatic transfer, and being simple and reasonable in structure, convenient to assemble and disassemble, and suitable for promotion.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coating equipment, in particular to a vertical rotary drum assembly structure for a vacuum coating equipment. BACKGROUND

[0002] In recent years, the market of electronic products such as smart phones, tablet computers, AR / VR glasses, etc. is developing rapidly; accordingly, the quality improvement of these intelligent terminals also puts forward higher requirements on the coating technology of touch screens required by such products.

[0003] In view of the increasing diversification of the market, various products of different shapes (curved surface, arc surface) have coating requirements, and a single flat carrier substrate cannot meet the needs of different products. With more and more special-shaped substrates, in order to achieve the same uniformity of coating, the running mode of the substrate needs to be changed during film formation. The original single revolution form corresponding to the flat panel cannot meet the film formation requirements, and the revolution and rotation form emerges as the times require. Experiments have proved that the film formation form of revolution and rotation can greatly improve the uniformity of film formation of special-shaped products, and is an important solution to film formation of special-shaped products on the market. The film formation form of revolution and rotation is based on the traditional film formation form of only revolution, that is, the whole hanging frame of the film formation chamber revolves, and each substrate rotates at a certain speed. As a product carrier, the substrate needs to be frequently taken out and placed in the film formation chamber. Therefore, a structure that can be easily taken out and placed and can rotate smoothly is needed for the substrate and the hanging frame. SUMMARY

[0004] The purpose of the present application is to overcome the shortcomings of the prior art, and to provide a vertical rotary drum assembly structure for a vacuum coating equipment. The connection structure between the rotary drum and the rotating frame is designed to enable the rotary drum to rotate on the rotating frame while ensuring the stability and safety of the rotary drum during rotation and facilitating frequent taking and placing.

[0005] The purpose of the present application is achieved by the following technical solutions:

[0006] A vertical rotary drum assembly structure for a vacuum coating equipment, comprising a rotary drum and a rotating frame, wherein the rotary drum is vertically arranged on the rotating frame, characterized in that the rotary drum has a rotating shaft, the rotating shaft is connected with a rotary drive mechanism, the rotary drive mechanism drives the rotating shaft to rotate the rotary drum on the rotating frame, and the rotating shaft is detachably connected to the rotating frame.

[0007] The rotating frame comprises an upper turntable and a lower turntable, the upper end of the rotating shaft is detachably connected to the upper turntable, and the lower end of the rotating shaft is detachably connected to the lower turntable.

[0008] The upper rotating disc is provided with a mounting groove with an opening, one end of the rotating drum is provided with a bearing set matched with the mounting groove, the rotating shaft of the rotating drum can pass through the opening into the mounting groove, and the bearing set is supported in the mounting groove through clamping.

[0009] The lower rotating disc is provided with a mounting groove in a conical structure, one end of the rotating drum is provided with a bearing set matched with the mounting groove, and the bearing set is supported in the mounting groove through conical fitting and can rotate in the mounting groove.

[0010] The upper end and / or the lower end of the rotating shaft is connected with the rotating driving mechanism.

[0011] The rotating shaft and the rotating driving mechanism are connected through a claw type clutch shaft structure, the claw type clutch shaft structure comprises a clutch driven end and a clutch driving end, the clutch driven end is connected with the rotating shaft, the clutch driving end is connected with the rotating driving mechanism, and the clutch driven end and the clutch driving end are limitingly connected and form transmission cooperation.

[0012] One of the clutch driven end and the clutch driving end is provided with a radial limiting rod, and the other is provided with a side groove, the radial limiting rod is clamped in the side groove to form horizontal limiting between the clutch driven end and the clutch driving end to realize rotary transmission.

[0013] The clutch driven end and the clutch driving end are respectively provided with tooth grooves, the tooth grooves of the clutch driven end and the clutch driving end are concave-convex matched to form horizontal limiting to realize rotary transmission.

[0014] The clutch driven end is provided with a spring telescopic structure, and the spring telescopic structure can be telescopic along the axial direction of the rotating shaft.

[0015] One end of the rotating drum is a load-bearing side, and the other end is a non-load-bearing side, or both ends of the rotating drum are load-bearing sides.

[0016] The advantages of the present application are: ensuring the stability and safety of the rotating drum during rotation; facilitating the frequent taking and placing of the rotating drum, and facilitating the implementation of automatic conveying; simple and reasonable structure, convenient to assemble and disassemble, and suitable for promotion. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present application (lower load-bearing structure);

[0018] Figure 2 It is a structural schematic diagram of the present application (upper load-bearing structure);

[0019] Figure 3 It is a structural schematic diagram of the rotating drum in the present application;

[0020] Figure 4 This is a diagram illustrating the installation and disassembly process of the rotating drum in this invention;

[0021] Figure 5 This is a diagram illustrating the installation process on the load-bearing side when the present invention is a lower load-bearing structure.

[0022] Figure 6 This is a diagram illustrating the installation process on the non-load-bearing side when the present invention is a load-bearing structure.

[0023] Figure 7 This is a schematic diagram of an assembly structure of the claw-type clutch in this invention;

[0024] Figure 8 This is a schematic diagram of an assembly structure of the claw-type clutch in this invention;

[0025] Figure 9 This is a schematic diagram of the anti-lock mechanism configured on the claw-type clutch in this invention. Detailed Implementation

[0026] The features and other related features of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments, so as to facilitate understanding by those skilled in the art:

[0027] like Figures 1-9 As shown in the figure, markings 1-17 represent: rotating drum 1, load-bearing side mounting groove 2, non-load-bearing side mounting groove 3, claw clutch 4, self-rotating drive device 5, rotating shaft 6, drum 7, load-bearing bearing assembly 8, non-load-bearing bearing assembly 9, transmission clutch rod 10, upper turntable 11, lower turntable 12, clutch drive end 13, clutch driven end 14, radial limit rod 15, side groove 16, and spring telescopic structure 17.

[0028] Example 1: As Figure 1 As shown, the vertical rotary drum assembly structure for the vacuum coating equipment in this embodiment is used to mount the rotary drum 1 onto a rotating frame. The rotating frame can achieve revolution by connecting a revolution drive device. The rotating frame includes an upper rotating disk 11 and a lower rotating disk 12. The drum 7 of the rotary drum 1 is provided with a rotating shaft 6, which is the concentric axis of the rotary drum 1. The rotating shaft 6 can be connected to a rotation drive device 5 to make the rotary drum 1 rotate on the rotating frame. The upper and lower ends of the rotating shaft 6 are respectively mounted on the upper rotating disk 11 and the lower rotating disk 12, and the upper end of the rotating shaft 6 and the upper rotating disk 11 and the lower end of the rotating shaft 6 and the lower rotating disk 12 are both detachably connected.

[0029] Specifically, such as Figure 1As shown, the upper end of the rotating drum 1 in the embodiment is the non-load-bearing side, and the lower end is the load-bearing side; the division of the load-bearing side and the non-load-bearing side is determined by the revolution driving device connected by the rotating frame, that is, the revolution of the rotating frame in the embodiment is guided by the lower turntable 12, and thus the lower turntable 12 can bear a larger load. At this time, the lower end of the rotating drum 1 connected with the lower turntable 12 is the load-bearing side, and the upper end connected with the upper turntable 11 is the non-load-bearing side.

[0030] In combination Figure 1 And Figure 3 As shown, the outer edge of the upper turntable 11 is provided with a non-load-bearing side mounting groove 3 with an opening, and the opening of the non-load-bearing side mounting groove 3 is exposed at the edge position of the upper turntable 11. The upper end of the rotating shaft 6 is provided with a non-load-bearing bearing set 9, which is a bearing assembly including bearings and their accessories. When installed, as shown in Figure 6 As shown, the rotating shaft 6 shown in (a) can pass through the opening of the non-load-bearing side mounting groove 3 into the interior of the non-load-bearing side mounting groove 3, and then be lowered as shown in (b), so that the non-load-bearing bearing set 9 can be clamped and supported inside the groove body of the non-load-bearing side mounting groove 3, and a bearing fit is formed therebetween, as shown in (c).

[0031] In some embodiments, the shaft diameter of the rotating shaft 6 can be uniform and equal, or non-uniform. When the shaft diameter of the rotating shaft 6 is uniform and equal, the shaft diameter of the rotating shaft 6 is less than or equal to the opening diameter of the opening of the non-load-bearing side mounting groove 3, so that the rotating shaft 6 can pass through the opening into the interior of the non-load-bearing side mounting groove 3; when the shaft diameter of the rotating shaft 6 is non-uniform, at least one local part of the shaft section of the rotating shaft 6 is less than or equal to the opening diameter of the opening of the non-load-bearing side mounting groove 3, and the rotating shaft 6 can enter the interior of the non-load-bearing side mounting groove 3 through the local part. For the non-load-bearing bearing set 9, the lower end is greater than the minimum of the non-load-bearing side mounting groove 3.

[0032] The outer edge of the lower turntable 12 is provided with a load-bearing side mounting groove 2 with an opening, and the opening of the load-bearing side mounting groove 2 is exposed at the edge position of the lower turntable 12. The groove body of the load-bearing side mounting groove 2 is a tapered structure; the size of the mounting groove at the upper end of the tapered structure is greater than that at the lower end, for example, the size of the load-bearing side mounting groove 2 can be gradually reduced from top to bottom. The lower end of the rotating shaft 6 is provided with a load-bearing bearing set 8, which is a bearing assembly including bearings and their accessories. When installed, as shown in Figure 5As shown, the shaft 6 shown in (a) can pass through the opening of the load-bearing side mounting groove 2 into the interior of the load-bearing side mounting groove 2, and then be lowered as shown in (b) so that the load-bearing bearing set 8 can be clamped and supported in the interior of the load-bearing side mounting groove 2 by its own weight and form a tight fit, as shown in (c). When the load-bearing bearing set 8 is positioned by the tapered structure of the load-bearing side mounting groove 2, it can obtain a stable and accurate radial position after being positioned in the axial position, avoiding installation errors of the rotating drum 1 during installation, and effectively improving the installation accuracy.

[0033] In this embodiment, the lower end of the rotating drum 1 is clamped in the load-bearing side mounting groove 2 on the lower turntable 12, which plays a load-bearing and positioning role; the upper end of the rotating drum 1 is clamped in the non-load-bearing side mounting groove 3 on the upper turntable 11, which plays a positioning role. Through the combined action of the upper and lower ends of the rotating drum 1, it is stably installed on the rotating frame, ensuring its stability during rotation.

[0034] In combination with Figure 1 and Figure 3 As shown, the self-rotation driving device 5 in this embodiment is arranged at the lower part of the rotating drum 1, and the self-rotation driving device 5 and the lower end of the rotating drum 1 form a claw clutch shaft structure to realize transmission through the claw clutch 4.

[0035] In combination with Figure 3 and Figure 7 As shown, the transmission clutch rod 10 is arranged at the bottom end of the shaft 6, the lower end of the transmission clutch rod 10 is provided with a clutch driven end 14, and the periphery of the clutch driven end 14 is provided with a radial limiting rod 15. The claw clutch 4 connected with the self-rotation driving device 5 forms a transmission fit with the clutch driven end 14 as a clutch driving end 13. Specifically, a plurality of side grooves 16 are arranged on the clutch driving end 13, and the radial limiting rod 15 of the clutch driven end 14 can be clamped in the side grooves 16, so that the clutch driving end 13 and the clutch driven end 14 form a rod groove fit to realize rotary transmission. When the fit as shown in (a) is as shown in (a), the claw clutch 4 can drive the transmission clutch rod 10 to rotate through the radial limiting rod 15; and when the rotation is stopped, the rotating drum 1 can be easily lifted and separated from the side grooves 16 of the claw clutch 4, as shown in (b). Figure 7 Figure 7

[0036] In this embodiment, if the rotating drum 1 is light in weight, the side grooves 16 of the claw clutch 4 can be designed to have a self-locking effect. When the self-rotation driving device 5 drives the claw clutch 4 to rotate at high speed, the side grooves 16 will firmly lock the rod body of the transmission clutch rod 10 due to the resistance generated during rotation, so that the rotating drum 1 will not be separated from the claw clutch 4 due to vibration; thereby achieving the purpose of ensuring safety.

[0037] ​​In addition to the rod slot matching shown in Figure 7 , a concave-convex slot matching type clutch as shown in Figure 8 may also be used to achieve rotation transmission. The clutch driven end 14 and the clutch driving end 13 are respectively provided with wavy tooth slots, as shown in Figure 8 (b); the tooth slots of the clutch driven end 14 and the tooth slots of the clutch driving end 13 are concave-convex matched to form horizontal limiting and further achieve transmission matching, as shown in Figure 8 (a).

[0038] In combination with Figure 7 and Figure 9 , in order to avoid the dead end phenomenon between the clutch driven end 14 and the clutch driving end 13, for example, the radial limiting rod 15 is not inserted into the side recess 16 but is dead ended on the convex part between the side recess 16, as shown in Figure 9 (b), a spring telescopic structure 17 can be provided on the clutch side of the rotating drum 1, i.e. the clutch driven end 14 side, which can make the clutch driven end 14 telescopic along its axial direction. When the dead end situation occurs in the matching installation, the clutch side of the rotating drum 1 (the clutch driven end 14 side) is compressed under force, and it can also ensure that the other side of the rotating drum 1 is installed in place under the action of gravity; at this time, when the rotating drum 1 is driven to rotate, the clutch driven end 14 and the clutch driving end 13 can be smoothly matched and installed in place under the action of rotation force and spring force.

[0039] As shown in Figure 4 , the whole taking and placing process of the rotating drum 1 is shown in figures (a), (b), and (c). When the rotating drum 1 needs to be taken off the rotating frame, the rotating drum 1 is lifted to a certain distance so that the transmission clutch rod 10 at the bottom of the rotating drum 1 and the claw type clutch 4 of the self-rotating driving device 5 are disengaged; during the lifting process, the load bearing bearing set 8 and the non-load bearing bearing set 9 are also disengaged from the corresponding load bearing side installation slot 2 and non-load bearing side installation slot 3. Then, the rotating drum 1 can be taken out by translating from the load bearing side installation slot 2 and the non-load bearing side installation slot 3, and the separation between the complete rotating drum 1 and the rotating frame is completed. When the rotating drum 1 is hung into the rotating frame, the above steps can be performed in reverse order.

[0040] Example Two: The difference between this example and Example One is that, as shown in Figure 2As shown, the revolution driving of the rotating frame in the embodiment is introduced from the upper part, i.e. introduced from the upper turntable 11. Therefore, in the embodiment, the upper turntable 11 can bear a larger load. Based on this, the upper end of the rotating drum 1 in the embodiment is a load-bearing side, and the lower end is a non-load-bearing side. Meanwhile, a load-bearing side mounting groove 2 is arranged on the upper turntable 11, and the load-bearing side of the rotating drum 1 is mounted in the load-bearing side mounting groove 2 through a load-bearing bearing set; a non-load-bearing side mounting groove is arranged on the lower turntable 12, and the non-load-bearing side of the rotating drum 1 is mounted in the non-load-bearing side mounting groove through a non-load-bearing bearing set.

[0041] In the above embodiment, generally speaking, one of the upper end and the lower end of the rotating drum 1 can be a load-bearing side, and the other end can be a non-load-bearing side; but in some cases, both the upper end and the lower end of the rotating drum 1 can be arranged as load-bearing sides, but the machining precision requirement of this structure is relatively higher compared with the structure in which one end of the rotating drum in the above embodiment is a load-bearing side and the other end is a non-load-bearing side, so as to avoid instability of the rotation due to machining deviation.

[0042] The load-bearing bearing set 8 can preferably adopt a double-row radial ball bearing or a thrust bearing, which, when cooperating with the load-bearing side mounting groove 2, plays a role of load bearing and positioning, and ensures that it can bear axial force while rotating. The non-load-bearing bearing set 9 can preferably adopt a self-aligning ball bearing, which plays a role of radial positioning, and can ensure normal rotation of the rotating drum 1 when the concentricity of the upper turntable 11 and the lower turntable 12 has deviation.

[0043] The load-bearing side mounting groove 2 and the non-load-bearing side mounting groove 3 in the embodiment are provided by bearing seats, i.e. bearing seats are arranged at the corresponding positions of the upper turntable 11 and the lower turntable 12, and the bearing seats are respectively arranged with the load-bearing side mounting groove 2 and the non-load-bearing side mounting groove 3.

[0044] Since the combination of the clutch driving end 13 and the clutch driven end 14 plays a role of clutch transmission, in the actual design process, the structures of the clutch driving end 13 and the clutch driven end 14 can be replaced with each other, as long as they can constitute a clutch transmission relationship.

[0045] In some embodiments, when the space of the vacuum coating equipment meets the requirements, the mounting groove on the lower turntable 12 can also not be provided with an opening, so that the bearing set arranged at the lower end of the rotating shaft 6 can enter into the mounting groove along with the lowering of the rotating drum 1.

[0046] Although the above embodiments have been described in detail with reference to the accompanying drawings for the conception and embodiments of the purpose of the present application, those skilled in the art can recognize that various improvements and changes can be made to the present application without departing from the scope defined by the claims, and therefore, detailed description is not given here.

Claims

1. A vertical rotary drum assembly structure for a vacuum coating apparatus, comprising a rotary drum and a rotary table, the rotary drum being vertically arranged on the rotary table, characterized in that: The rotating drum has a rotating shaft connected with a rotating driving mechanism, the rotating driving mechanism drives the rotating drum to rotate on the rotating frame by driving the rotating shaft, and the rotating shaft is detachably connected to the rotating frame; The upper end and / or the lower end of the rotating shaft is connected with the rotating driving mechanism; The rotating shaft and the rotating driving mechanism are connected through a claw type clutch shaft structure, the claw type clutch shaft structure includes a clutch driven end and a clutch driving end, the clutch driven end is connected with the rotating shaft, the clutch driving end is connected with the rotating driving mechanism, the clutch driven end and the clutch driving end are limitingly connected and form a transmission cooperation; One of the clutch driven end and the clutch driving end is provided with a radial limiting rod, and the other is provided with a side groove, the radial limiting rod is clamped in the side groove to form horizontal limiting between the clutch driven end and the clutch driving end to realize rotary transmission; The clutch driven end is provided with a spring telescopic structure, and the spring telescopic structure can be telescoped along the axial direction of the rotating shaft.

2. The vertical rotary drum assembly structure for vacuum coating equipment according to claim 1, characterized in that: The rotating frame includes an upper rotating disc and a lower rotating disc, the upper end of the rotating shaft is detachably connected with the upper rotating disc, and the lower end of the rotating shaft is detachably connected with the lower rotating disc.

3. The vertical rotary drum assembly for a vacuum coating apparatus according to claim 2, wherein: The upper rotating disc is provided with a mounting groove with an opening, one end of the rotating drum is provided with a bearing set matched with the mounting groove, the rotating shaft of the rotating drum can pass through the opening and enter the mounting groove, and the bearing set is supported in the mounting groove by clamping.

4. The vertical rotary drum assembly structure for vacuum coating equipment according to claim 2, wherein: The lower rotating disc is provided with a mounting groove, the mounting groove is a tapered structure, one end of the rotating drum is provided with a bearing set matched with the mounting groove, and the bearing set is supported in the mounting groove by taper cooperation and can rotate in the mounting groove.

5. The vertical rotary drum assembly structure for vacuum coating equipment according to claim 1, wherein: The clutch driven end and the clutch driving end are respectively provided with tooth grooves, the tooth grooves of the clutch driven end and the clutch driving end are concave-convex matched to form horizontal limiting to realize rotary transmission.

6. The vertical rotary drum assembly for a vacuum coating apparatus of claim 1, wherein: One end of the rotating drum is a load-bearing side, and the other end is a non-load-bearing side; or both ends of the rotating drum are load-bearing sides.

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